JP7098937B2 - 照明装置およびプロジェクター - Google Patents

照明装置およびプロジェクター Download PDF

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Publication number
JP7098937B2
JP7098937B2 JP2018004822A JP2018004822A JP7098937B2 JP 7098937 B2 JP7098937 B2 JP 7098937B2 JP 2018004822 A JP2018004822 A JP 2018004822A JP 2018004822 A JP2018004822 A JP 2018004822A JP 7098937 B2 JP7098937 B2 JP 7098937B2
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JP
Japan
Prior art keywords
light
polarization
light emitting
semiconductor lasers
semiconductor laser
Prior art date
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Active
Application number
JP2018004822A
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English (en)
Japanese (ja)
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JP2019124801A (ja
JP2019124801A5 (enExample
Inventor
光一 秋山
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Seiko Epson Corp
Original Assignee
Seiko Epson Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Seiko Epson Corp filed Critical Seiko Epson Corp
Priority to JP2018004822A priority Critical patent/JP7098937B2/ja
Priority to US16/247,846 priority patent/US10877364B2/en
Publication of JP2019124801A publication Critical patent/JP2019124801A/ja
Publication of JP2019124801A5 publication Critical patent/JP2019124801A5/ja
Application granted granted Critical
Publication of JP7098937B2 publication Critical patent/JP7098937B2/ja
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    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B21/00—Projectors or projection-type viewers; Accessories therefor
    • G03B21/14—Details
    • G03B21/20—Lamp housings
    • G03B21/208—Homogenising, shaping of the illumination light
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/09—Beam shaping, e.g. changing the cross-sectional area, not otherwise provided for
    • G02B27/0938—Using specific optical elements
    • G02B27/0994—Fibers, light pipes
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/10—Beam splitting or combining systems
    • G02B27/1006—Beam splitting or combining systems for splitting or combining different wavelengths
    • G02B27/102—Beam splitting or combining systems for splitting or combining different wavelengths for generating a colour image from monochromatic image signal sources
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B21/00—Projectors or projection-type viewers; Accessories therefor
    • G03B21/14—Details
    • G03B21/20—Lamp housings
    • G03B21/2006—Lamp housings characterised by the light source
    • G03B21/2033—LED or laser light sources
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B21/00—Projectors or projection-type viewers; Accessories therefor
    • G03B21/14—Details
    • G03B21/20—Lamp housings
    • G03B21/2066—Reflectors in illumination beam
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/12—Picture reproducers
    • H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
    • H04N9/3102—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM] using two-dimensional electronic spatial light modulators
    • H04N9/3105—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM] using two-dimensional electronic spatial light modulators for displaying all colours simultaneously, e.g. by using two or more electronic spatial light modulators
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/12—Picture reproducers
    • H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
    • H04N9/3141—Constructional details thereof
    • H04N9/315—Modulator illumination systems
    • H04N9/3152—Modulator illumination systems for shaping the light beam
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/12—Picture reproducers
    • H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
    • H04N9/3141—Constructional details thereof
    • H04N9/315—Modulator illumination systems
    • H04N9/3161—Modulator illumination systems using laser light sources
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/12—Picture reproducers
    • H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
    • H04N9/3141—Constructional details thereof
    • H04N9/315—Modulator illumination systems
    • H04N9/3164—Modulator illumination systems using multiple light sources
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/12—Picture reproducers
    • H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
    • H04N9/3141—Constructional details thereof
    • H04N9/315—Modulator illumination systems
    • H04N9/3167—Modulator illumination systems for polarizing the light beam
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/28—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for polarising

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Optics & Photonics (AREA)
  • Projection Apparatus (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Transforming Electric Information Into Light Information (AREA)
JP2018004822A 2018-01-16 2018-01-16 照明装置およびプロジェクター Active JP7098937B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2018004822A JP7098937B2 (ja) 2018-01-16 2018-01-16 照明装置およびプロジェクター
US16/247,846 US10877364B2 (en) 2018-01-16 2019-01-15 Illuminator and projector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2018004822A JP7098937B2 (ja) 2018-01-16 2018-01-16 照明装置およびプロジェクター

Publications (3)

Publication Number Publication Date
JP2019124801A JP2019124801A (ja) 2019-07-25
JP2019124801A5 JP2019124801A5 (enExample) 2020-12-17
JP7098937B2 true JP7098937B2 (ja) 2022-07-12

Family

ID=67212863

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2018004822A Active JP7098937B2 (ja) 2018-01-16 2018-01-16 照明装置およびプロジェクター

Country Status (2)

Country Link
US (1) US10877364B2 (enExample)
JP (1) JP7098937B2 (enExample)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7174251B2 (ja) * 2019-03-22 2022-11-17 日亜化学工業株式会社 光源装置および光学エンジン
CN113805419B (zh) * 2020-06-15 2024-02-09 中强光电股份有限公司 照明系统及投影装置
DE102021102254A1 (de) * 2021-02-01 2022-08-04 OSRAM Opto Semiconductors Gesellschaft mit beschränkter Haftung Optoelektronische anordnung
JP7482282B1 (ja) 2022-11-22 2024-05-13 株式会社ライトショー・テクノロジー 投射型表示装置
EP4411457A1 (en) * 2023-01-31 2024-08-07 Meta Platforms Technologies, LLC Multi-color light source

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040067016A1 (en) 2002-10-07 2004-04-08 Anikitchev Serguei G. Method and apparatus for coupling radiation from a stack of diode-laser bars into a single-core optical fiber
US20040252744A1 (en) 2003-06-11 2004-12-16 Anikitchev Serguei G. Apparatus for reducing spacing of beams delivered by stacked diode-laser bars
JP2006337609A (ja) 2005-05-31 2006-12-14 Sanyo Electric Co Ltd 照明装置、投写型映像表示装置
JP2007516473A (ja) 2003-12-23 2007-06-21 スリーエム イノベイティブ プロパティズ カンパニー 投射ディスプレイ用合成光源
JP2007286481A (ja) 2006-04-19 2007-11-01 Jtekt Corp 分割合波ユニット及び半導体レーザ集光装置
JP2007333774A (ja) 2006-06-12 2007-12-27 Seiko Epson Corp プロジェクタ
JP2008083661A (ja) 2006-08-30 2008-04-10 Olympus Corp 照明装置およびそれを用いた画像投影装置
JP2017015993A (ja) 2015-07-02 2017-01-19 キヤノン株式会社 光源装置及びこれを用いた照明装置、投射型表示装置

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3585097B2 (ja) * 1998-06-04 2004-11-04 セイコーエプソン株式会社 光源装置，光学装置および液晶表示装置
JPWO2005057271A1 (ja) * 2003-12-10 2007-12-13 松下電器産業株式会社 光学素子、レーザ光源、及び２次元画像形成装置
KR101306028B1 (ko) 2005-12-20 2013-09-12 코닌클리즈케 필립스 일렉트로닉스 엔.브이. 레이저-기반 프로젝터의 색 혼합 막대 통합기
JP5378211B2 (ja) * 2006-07-18 2013-12-25 リアルディー インコーポレイテッド プロジェクションシステム用の装置
JP2011164151A (ja) * 2010-02-04 2011-08-25 Sony Corp 照明装置および投射型映像表示装置
JP2015064444A (ja) 2013-09-24 2015-04-09 セイコーエプソン株式会社 プロジェクター
DE102017109812A1 (de) * 2016-05-13 2017-11-16 Osram Opto Semiconductors Gmbh Licht emittierender Halbleiterchip und Verfahren zur Herstellung eines Licht emittierenden Halbleiterchips

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040067016A1 (en) 2002-10-07 2004-04-08 Anikitchev Serguei G. Method and apparatus for coupling radiation from a stack of diode-laser bars into a single-core optical fiber
US20040252744A1 (en) 2003-06-11 2004-12-16 Anikitchev Serguei G. Apparatus for reducing spacing of beams delivered by stacked diode-laser bars
JP2007516473A (ja) 2003-12-23 2007-06-21 スリーエム イノベイティブ プロパティズ カンパニー 投射ディスプレイ用合成光源
JP2006337609A (ja) 2005-05-31 2006-12-14 Sanyo Electric Co Ltd 照明装置、投写型映像表示装置
JP2007286481A (ja) 2006-04-19 2007-11-01 Jtekt Corp 分割合波ユニット及び半導体レーザ集光装置
JP2007333774A (ja) 2006-06-12 2007-12-27 Seiko Epson Corp プロジェクタ
JP2008083661A (ja) 2006-08-30 2008-04-10 Olympus Corp 照明装置およびそれを用いた画像投影装置
JP2017015993A (ja) 2015-07-02 2017-01-19 キヤノン株式会社 光源装置及びこれを用いた照明装置、投射型表示装置

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Publication number Publication date
US20190219912A1 (en) 2019-07-18
US10877364B2 (en) 2020-12-29
JP2019124801A (ja) 2019-07-25

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